Semiclassical limit of the entanglement in closed pure systems

dc.creatorAngelo, RM
dc.creatorFuruya, K
dc.date2005
dc.dateAPR
dc.date2014-11-18T05:22:21Z
dc.date2015-11-26T16:51:40Z
dc.date2014-11-18T05:22:21Z
dc.date2015-11-26T16:51:40Z
dc.date.accessioned2018-03-28T23:38:26Z
dc.date.available2018-03-28T23:38:26Z
dc.identifierPhysical Review A. American Physical Soc, v. 71, n. 4, 2005.
dc.identifier1050-2947
dc.identifierWOS:000228752700041
dc.identifier10.1103/PhysRevA.71.042321
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/71425
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/71425
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/71425
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1276041
dc.descriptionWe discuss the semiclassical limit of the entanglement for the class of closed pure systems. By means of analytical and numerical calculations, we obtain two main results: (i) the short-time entanglement does not depend on Planck's constant and (ii) the long-time entanglement increases as more semiclassical regimes are attained. On one hand, this result is in contrast with the idea that the entanglement should be destroyed when the macroscopic limit is reached. On the other hand, it emphasizes the role played by decoherence in the process of emergence of the classical world. We also found that, for Gaussian initial states, the entanglement dynamics may be described by an entirely classical entropy in the semiclassical limit.
dc.description71
dc.description4
dc.languageen
dc.publisherAmerican Physical Soc
dc.publisherCollege Pk
dc.publisherEUA
dc.relationPhysical Review A
dc.relationPhys. Rev. A
dc.rightsaberto
dc.sourceWeb of Science
dc.subjectQuantum Brownian-motion
dc.subjectInformation
dc.subjectEntropy
dc.subjectDecoherence
dc.subjectEquations
dc.subjectStates
dc.titleSemiclassical limit of the entanglement in closed pure systems
dc.typeArtículos de revistas


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